Moon Phase Angle Calculator
Calculate moon phase angle and illumination.
Weight on Planets Calculator
Calculate your weight on different planets in the solar system.
Comet Position Calculator
Calculate approximate comet distance from the Sun.
Apparent Magnitude Calculator
Calculate apparent magnitude of a celestial object.
Stellar Evolution Calculator
Calculate expected lifespan of a star based on its mass.
Cosmic Distance Ladder
Convert between cosmic distance units.
Sunset Direction Calculator
Calculate sunrise/sunset azimuth angle.
Planetary Transit Calculator
Calculate planetary transit properties.
Pulsar Period Calculator
Calculate pulsar properties.
Nebula Distance Calculator
Calculate nebula distance using expansion method.
Galactic Rotation Calculator
Calculate galactic rotation velocity.
Roche Limit Calculator
Calculate the Roche limit for satellite disruption.
Cosmic Microwave Background Calculator
Calculate CMB properties.
Aurora Visibility Calculator
Calculate aurora visibility probability.
Gravitational Lensing Calculator
Calculate light deflection angle by gravity.
Comet Orbit Calculator
Calculate comet orbit characteristics.
Star Spectral Class Calculator
Determine star spectral class from temperature.
CMB Temperature Calculator
Calculate CMB temperature at given redshift.
Age on Planets Calculator
Calculate your age in planetary years based on orbital periods.
Star Distance Calculator
Estimate star distance using parallax angle.
Telescope Magnification Calculator
Calculate telescope magnification power based on focal lengths.
Telescope Field of View Calculator
Redshift Calculator
Kepler's Third Law Calculator
Schwarzschild Radius Calculator
Planetary Surface Gravity Calculator
Solar Noon Calculator
Moon Phase Calendar
Your Weight Across the Planets
About Space & Stars
Our Space & Stars calculators are designed to help you solve complex problems and get accurate results quickly.
Top Space & Stars Calculators
Age on Other Planets Calculator
Calculate your age in years on each planet in the solar system.
Moon Phase Calculator
Calculate the moon phase for any given date.
Weight on Other Planets
Calculate your weight on other planets.
Moon Phase Calculator
Calculate moon phase for a date.
Sunrise Sunset Calculator
Estimate sunrise and sunset times.